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- Language: Spanish, Latin
- Year: 2006
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- Year: 1998
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- Language: Spanish
- Year: 2009
- Author: Manfred Nolte
- Language: Spanish
- Year: 2018
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- Language: Spanish
- Year: 2018
- Author: Xabier Alkorta Andonegi
- Language: Spanish
- Year: 2015
- Author: Jon Ortiz de Urbina Arruabarrena, Aitor Ibarrola-Armendariz
- Language: English
- Year: 2016
- Author: Vicente Vide
- Language: Spanish
- Year: 1999